The Japan Professional Football League, also known as the J.League, was founded in 1992 and has become one of the most successful professional soccer leagues in Asia.

The Japanese crested ibis, also known as the "toki," is a critically endangered bird that is native to Japan and is considered a symbol of good luck.

In Japan, there is a dish called natto, which is fermented soybeans that have a strong smell and slimy texture.